A series of sensual novels that are quietly popular with middle-aged and elderly people, baby boomers, and office workers in their 30s. This time, set in a town in the Showa region, four sets of mothers and sons who live in poverty but are healthy are ruthlessly raped in the classroom by a teacher who is supposed to be a personality. - Masao shoplifted an erotic book and was assisted by a security guard ● Thrust out to the homeroom teacher of the school. - The mother who was called was subjected to abusive words by the teacher and the security guard in the classroom, and was circled ● surpassed in front of her son!